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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New .338 lanches a 300gr Sierra MK at 3500fps?
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<blockquote data-quote="Darryl Cassel" data-source="post: 21915" data-attributes="member: 34"><p>Brent</p><p></p><p>Thant's correct.</p><p>The 33 Bear is the same powder capacity when you imp the 378 Case to the 416 Imp case.</p><p></p><p>The difference is, no belt on the 416 case and there is on the 378 Weatherby.</p><p></p><p>You would have to do a lot of shooting to start out with say 100 to 200 cases and load them up 7X. Really not so bad considering how powerful these rounds are and how fast you can launch those 300 gr bullets.</p><p>I am pushing mine and if you droped back a bit you could get more lkoadings per case.</p><p>I run mine at NOW at 3200 FPS as mentioned before to save case life. When I go full tilt I have run it at 3310 FPS and that's when I only got two loadings from the cases.</p><p>To make that bullet REALLY perform, it seems that you need to run it at least 3100 to 3150. Anything over that is icing on the cake and the bullet is MUCH flatter and performs on game much better. A longer barrel is a must to do it though.</p><p></p><p>Later</p><p>Darryl</p></blockquote><p></p>
[QUOTE="Darryl Cassel, post: 21915, member: 34"] Brent Thant's correct. The 33 Bear is the same powder capacity when you imp the 378 Case to the 416 Imp case. The difference is, no belt on the 416 case and there is on the 378 Weatherby. You would have to do a lot of shooting to start out with say 100 to 200 cases and load them up 7X. Really not so bad considering how powerful these rounds are and how fast you can launch those 300 gr bullets. I am pushing mine and if you droped back a bit you could get more lkoadings per case. I run mine at NOW at 3200 FPS as mentioned before to save case life. When I go full tilt I have run it at 3310 FPS and that's when I only got two loadings from the cases. To make that bullet REALLY perform, it seems that you need to run it at least 3100 to 3150. Anything over that is icing on the cake and the bullet is MUCH flatter and performs on game much better. A longer barrel is a must to do it though. Later Darryl [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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New .338 lanches a 300gr Sierra MK at 3500fps?
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